1 files changed, 215 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/vl/vl_shader_build.c b/src/gallium/auxiliary/vl/vl_shader_build.c
new file mode 100644
index 00000000000..5a4a5ab72cc
--- /dev/null
+++ b/src/gallium/auxiliary/vl/vl_shader_build.c
@@ -0,0 +1,215 @@
+#include "vl_shader_build.h"
+#include <assert.h>
+#include <tgsi/tgsi_parse.h>
+#include <tgsi/tgsi_build.h>
+
+struct tgsi_full_declaration vl_decl_input(unsigned int name, unsigned int index, unsigned int first, unsigned int last)
+{
+   struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+   decl.Declaration.File = TGSI_FILE_INPUT;
+   decl.Declaration.Semantic = 1;
+   decl.Semantic.SemanticName = name;
+   decl.Semantic.SemanticIndex = index;
+   decl.DeclarationRange.First = first;
+   decl.DeclarationRange.Last = last;
+
+   return decl;
+}
+
+struct tgsi_full_declaration vl_decl_interpolated_input
+(
+   unsigned int name,
+   unsigned int index,
+   unsigned int first,
+   unsigned int last,
+   int interpolation
+)
+{
+   struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+   assert
+   (
+   interpolation == TGSI_INTERPOLATE_CONSTANT ||
+   interpolation == TGSI_INTERPOLATE_LINEAR ||
+   interpolation == TGSI_INTERPOLATE_PERSPECTIVE
+   );
+
+   decl.Declaration.File = TGSI_FILE_INPUT;
+   decl.Declaration.Semantic = 1;
+   decl.Semantic.SemanticName = name;
+   decl.Semantic.SemanticIndex = index;
+   decl.Declaration.Interpolate = interpolation;;
+   decl.DeclarationRange.First = first;
+   decl.DeclarationRange.Last = last;
+
+   return decl;
+}
+
+struct tgsi_full_declaration vl_decl_constants(unsigned int name, unsigned int index, unsigned int first, unsigned int last)
+{
+   struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+   decl.Declaration.File = TGSI_FILE_CONSTANT;
+   decl.Declaration.Semantic = 1;
+   decl.Semantic.SemanticName = name;
+   decl.Semantic.SemanticIndex = index;
+   decl.DeclarationRange.First = first;
+   decl.DeclarationRange.Last = last;
+
+   return decl;
+}
+
+struct tgsi_full_declaration vl_decl_output(unsigned int name, unsigned int index, unsigned int first, unsigned int last)
+{
+   struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+   decl.Declaration.File = TGSI_FILE_OUTPUT;
+   decl.Declaration.Semantic = 1;
+   decl.Semantic.SemanticName = name;
+   decl.Semantic.SemanticIndex = index;
+   decl.DeclarationRange.First = first;
+   decl.DeclarationRange.Last = last;
+
+   return decl;
+}
+
+struct tgsi_full_declaration vl_decl_temps(unsigned int first, unsigned int last)
+{
+   struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+   decl = tgsi_default_full_declaration();
+   decl.Declaration.File = TGSI_FILE_TEMPORARY;
+   decl.DeclarationRange.First = first;
+   decl.DeclarationRange.Last = last;
+
+   return decl;
+}
+
+struct tgsi_full_declaration vl_decl_samplers(unsigned int first, unsigned int last)
+{
+   struct tgsi_full_declaration decl = tgsi_default_full_declaration();
+
+   decl = tgsi_default_full_declaration();
+   decl.Declaration.File = TGSI_FILE_SAMPLER;
+   decl.DeclarationRange.First = first;
+   decl.DeclarationRange.Last = last;
+
+   return decl;
+}
+
+struct tgsi_full_instruction vl_inst2
+(
+   int opcode,
+   enum tgsi_file_type dst_file,
+   unsigned int dst_index,
+   enum tgsi_file_type src_file,
+   unsigned int src_index
+)
+{
+   struct tgsi_full_instruction inst = tgsi_default_full_instruction();
+
+   inst.Instruction.Opcode = opcode;
+   inst.Instruction.NumDstRegs = 1;
+   inst.FullDstRegisters[0].DstRegister.File = dst_file;
+   inst.FullDstRegisters[0].DstRegister.Index = dst_index;
+   inst.Instruction.NumSrcRegs = 1;
+   inst.FullSrcRegisters[0].SrcRegister.File = src_file;
+   inst.FullSrcRegisters[0].SrcRegister.Index = src_index;
+
+   return inst;
+}
+
+struct tgsi_full_instruction vl_inst3
+(
+   int opcode,
+   enum tgsi_file_type dst_file,
+   unsigned int dst_index,
+   enum tgsi_file_type src1_file,
+   unsigned int src1_index,
+   enum tgsi_file_type src2_file,
+   unsigned int src2_index
+)
+{
+   struct tgsi_full_instruction inst = tgsi_default_full_instruction();
+
+   inst.Instruction.Opcode = opcode;
+   inst.Instruction.NumDstRegs = 1;
+   inst.FullDstRegisters[0].DstRegister.File = dst_file;
+   inst.FullDstRegisters[0].DstRegister.Index = dst_index;
+   inst.Instruction.NumSrcRegs = 2;
+   inst.FullSrcRegisters[0].SrcRegister.File = src1_file;
+   inst.FullSrcRegisters[0].SrcRegister.Index = src1_index;
+   inst.FullSrcRegisters[1].SrcRegister.File = src2_file;
+   inst.FullSrcRegisters[1].SrcRegister.Index = src2_index;
+
+   return inst;
+}
+
+struct tgsi_full_instruction vl_tex
+(
+   int tex,
+   enum tgsi_file_type dst_file,
+   unsigned int dst_index,
+   enum tgsi_file_type src1_file,
+   unsigned int src1_index,
+   enum tgsi_file_type src2_file,
+   unsigned int src2_index
+)
+{
+   struct tgsi_full_instruction inst = tgsi_default_full_instruction();
+
+   inst.Instruction.Opcode = TGSI_OPCODE_TEX;
+   inst.Instruction.NumDstRegs = 1;
+   inst.FullDstRegisters[0].DstRegister.File = dst_file;
+   inst.FullDstRegisters[0].DstRegister.Index = dst_index;
+   inst.Instruction.NumSrcRegs = 2;
+   inst.InstructionExtTexture.Texture = tex;
+   inst.FullSrcRegisters[0].SrcRegister.File = src1_file;
+   inst.FullSrcRegisters[0].SrcRegister.Index = src1_index;
+   inst.FullSrcRegisters[1].SrcRegister.File = src2_file;
+   inst.FullSrcRegisters[1].SrcRegister.Index = src2_index;
+
+   return inst;
+}
+
+struct tgsi_full_instruction vl_inst4
+(
+   int opcode,
+   enum tgsi_file_type dst_file,
+   unsigned int dst_index,
+   enum tgsi_file_type src1_file,
+   unsigned int src1_index,
+   enum tgsi_file_type src2_file,
+   unsigned int src2_index,
+   enum tgsi_file_type src3_file,
+   unsigned int src3_index
+)
+{
+   struct tgsi_full_instruction inst = tgsi_default_full_instruction();
+
+   inst.Instruction.Opcode = opcode;
+   inst.Instruction.NumDstRegs = 1;
+   inst.FullDstRegisters[0].DstRegister.File = dst_file;
+   inst.FullDstRegisters[0].DstRegister.Index = dst_index;
+   inst.Instruction.NumSrcRegs = 3;
+   inst.FullSrcRegisters[0].SrcRegister.File = src1_file;
+   inst.FullSrcRegisters[0].SrcRegister.Index = src1_index;
+   inst.FullSrcRegisters[1].SrcRegister.File = src2_file;
+   inst.FullSrcRegisters[1].SrcRegister.Index = src2_index;
+   inst.FullSrcRegisters[2].SrcRegister.File = src3_file;
+   inst.FullSrcRegisters[2].SrcRegister.Index = src3_index;
+
+   return inst;
+}
+
+struct tgsi_full_instruction vl_end(void)
+{
+   struct tgsi_full_instruction inst = tgsi_default_full_instruction();
+
+   inst.Instruction.Opcode = TGSI_OPCODE_END;
+   inst.Instruction.NumDstRegs = 0;
+   inst.Instruction.NumSrcRegs = 0;
+
+   return inst;
+}